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The Brembo Rear GT big brake kit for 2009–2015 CTS‑V applications pairs a four‑piston rear caliper with a two‑piece 380×28 mm cast rotor featuring a drilled face and red finish. Specified as a rear GT BBK, this kit provides the exact rotor diameter, thickness and mounting style listed, serving as a direct rear upgrade or replacement for the cited CTS‑V model years.
Brembo 09-15 CTS-V Rear GT BBK 4 Piston Cast 380x28 2pc Rotor Drilled-Red
